Abstract
ABSTRACTWe evaluate the effect of different commercial formulations of glyphosate on the nutritional status of Roundup Ready soybeans (TMG 125). The experiment was conducted under field conditions for two agricultural years. The experimental design used was randomized blocks with four repetitions. The treatments were the implementation of Roundup Original, Trop, Roundup Ultra, Roundup WG, Roundup Transorb R and Zapp QI formulations, all at a dose of 720 g e.a. ha−1 of glyphosate and two controls (weeding and no weeding). There was no difference in the accumulation of macronutrients. In the second year of evaluation (2011/2012), manganese (Mn) accumulation was affected by the Trop formulations, Roundup Transorb, Zapp QI, Roundup Ultra, Roundup WG. To the accumulation of zinc (Zn), there was a reduction in the application of Trop formulations and Zapp QI. However, this reduction observed did not influence the response of plants in relation to the productive yield.
Published Version
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